This project contains led on/off period control by uart data.
By default led on/off period is 1 second and echo incoming data. Period can be changed following uart commands;
ledon=500
Changes led on period to 500 milisecond.
ledoff=500
Changes led off period to 500 milisecond.
Echoing data stops with this uart command(also sets led on/off period 1 second);
stop
With start command echo will start again;
start